Great product managers are like many other high achievers. They seem to get more done in a month than most do in a year. When you find one you do everything you can to keep them, and you would gladly trade 10 good PMs for one that was great.

Sitting is unavoidable. You can't pace up and down the aisle of an airplane during your flight, or in a theatre during the movie. In most culture's it's impolite to jog in place while eating a burrito. The solution is not simply sitting less; it's sitting better.

If you're a desk-bound employee who's expected to crank out code, review contracts, respond to emails or perform any one of the countless tasks that are now done with a computer, then you need to take extra care to be sure that your job isn't literally killing you.

The undeserved "lazy" stigma given to night owls comes about due to the early birds of the world never seeing you at your most productive because, ironically, they're often fast asleep by the time you get going.

But once a human being is at the office, productivity does not automatically happen. There are numerous distractions, even obligations, that can keep a person from performing their job duties to the best of their ability. This, in turn, can prevent salary raises and promotions.

The one true purpose of taking a short break from work is to forget that you were actually working, which sounds kinda weird, but trust me -- it can have immense results on your overall work performance.

We have an obligation, a business plan to deliver. We hire people to achieve and lead certain pieces of that plan. It is the only reason we hire people -- to help us achieve the goals to which we have committed.

Changes don't have to be drastic to be effective. So rather than flipping your entire work schedule upside down, it's easier to start small; block off 60 minutes at the start of your peak work times for whatever your day's priority might happen to be, and start there.

Millennials' expectations are different from the older generations'. Millennials grew up with highly involved parents coaching them, instant access online to grades, and thousands of texts with their friends.